Chain of Thought Reasoning

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OpenAI Dropped a FRONTIER Open-Weights Model
Matthew Bermanยท 2025-08-05 17:17
Open AAI has delivered on their promise to release a state-of-the-art open-source model. This is GPTOSS. Now, I think the mystery model Horizon Alpha that was on Open Router is actually this open source model from OpenAI, although they have not confirmed that to me, but we do have an incredible model.Let me tell you about all the details. So, first it comes in two sizes, a 120 billion parameter version and a 20 billion parameter version. These are state-of-the-art openweight language models.Open weight. So ...